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One of the following is NOT a characteristic of all chordates?

a. gill slits
b. backbone
c. notochord
d. dorsal nerve cord
e. bilateral symmetry

2007-02-08 06:15:33 · 1 answers · asked by Anonymous in Science & Mathematics ➔ Biology

1 answers

b. backbone

Only higher chordates have backbones. Example: a lamprey does not.

2007-02-08 06:19:28 · answer #1 · answered by Jerry P 6 · 0⤊ 0⤋

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